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The network administrator is adding a new spoke, but the tunnel is not passing traffic. What could cause this issue?
A. DMVPN is a point-to-point tunnel, so there can be only one spoke.
B. There is no EIGRP configuration, and therefore the second tunnel is not working.
C. The NHRP authentication is failing.
D. The transform set must be in transport mode, which is a requirement for DMVPN.
E. The NHRP network ID is incorrect.Correct Answer: CExplanation
Explanation/Reference:Reference:QUESTION 6 CORRECT TEXT
One Logical Volume named lv1 is created under vg0. The Initial Size of that Logical Volume is 100MB. Now you required the size 500MB. Make successfully the size of that Logical Volume 500M without losing any data. As well as size should be increased online.
300-209 pdf Answer and Explanation:
The LVM system organizes hard disks into Logical Volume (LV) groups. Essentially, physical hard disk partitions (or possibly RAID arrays) are set up in a bunch of equal-sized chunks known as Physical Extents (PE). As there are several other concepts associated with the LVM system, let’s start with some basic definitions:
* Physical Volume (PV) is the standard partition that you add to the LVM mix. Normally, a physical volume is a standard primary or logical partition. It can also be a RAID array.
* Physical Extent (PE) is a chunk of disk space. Every PV is divided into a number of equal sized PEs. Every PE in a LV group is the same size. Different LV groups can have different sized PEs.
* Logical Extent (LE) is also a chunk of disk space. Every LE is mapped to a specific PE.
* Logical Volume (LV) is composed of a group of LEs. You can mount a filesystem such as /home and /var on an LV.
* Volume Group (VG) is composed of a group of LVs. It is the organizational group for LVM. Most of the commands that you’ll use apply to a specific VG.
1. Verify the size of Logical Volume: lvdisplay /dev/vg0/lv1
2. Verify the Size on mounted directory: df -h or df -h mounted directory name
3. Use : lvextend -L+400M /dev/vg0/lv1
4. resize2fs /dev/vg0/lv1 ¨¤ to bring extended size online.
5. Again Verify using lvdisplay and df -h command.
QUESTION 7 CORRECT TEXT
Create one partitions having size 100MB and mount it on /data.
Answer and Explanation:
1. Use fdisk /dev/hda ¨¤ To create new partition.
2. Type n ¨¤ For New partitions
3. It will ask for Logical or Primary Partitions. Press l for logical.
4. It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
5. Type the Size: +100M ¨¤ You can Specify either Last cylinder of Size here.
6. Press P to verify the partitions lists and remember the partitions name.7. Press w to write on partitions table.
8. Either Reboot or use partprobe command.
9. Use mkfs -t ext3 /dev/hda? Or mke2fs -j /dev/hda? ¨¤ To create ext3 filesystem
10. vi /etc/fstab
Write: /dev/hda? /data ext3 defaults 1 2
QUESTION 8 Verify by mounting on current Sessions also: mount /dev/hda? /data
You are new System Administrator and from now you are going to handle the system and your main task is Network monitoring, Backup and Restore. But you don’t know the root password. Change the root password to redhat and login in default Runlevel.
300-209 vce Answer and Explanation:
When you Boot the System, it starts on default Runlevel specified in /etc/inittab: Id:?:initdefault:
When System Successfully boot, it will ask for username and password. But you don’t know the root’s password. To change the root password you need to boot the system into single user mode. You can pass the kernel arguments from the boot loader.
1. Restart the System.
2. You will get the boot loader GRUB screen.
3. Press a and type 1 or s for single mode ro root=LABEL=/ rhgb queit s
4. System will boot on Single User mode.
5. Use passwd command to change.
6. Press ctrl+d
QUESTION 9 CORRECT TEXT
There are more then 400 Computers in your Office. You are appointed as a System Administrator. But you don’t have Router. So, you are going to use your One Linux Server as a Router. How will you enable IP packets forward?
Answer and Explanation:
1. /proc is the virtual filesystem, we use /proc to modify the kernel parameters at running time. # echo “1” >/proc/sys/net/ipv4/ip_forward
2. /etc/sysctl.conf ¨¤ when System Reboot on next time, etc/rc.d/rc.sysinit scripts reads the file /etc/sysctl.conf. To enable the IP forwarding on next reboot also you need to set the parameter. net.ipv4.ip_forward=1
QUESTION 10 CORRECT TEXT
You Completely Install the Redhat Enterprise Linux 5 on your System. While start the system, it’s giving error to load X window System. How will you fix that problem and make boot successfully run X Window System.
300-209 exam Answer and Explanation:
Think while Problems occurred on booting System on Runlevel 5 (X Window)./tmp is full ornotQuota is already reachedVideo card or resolution or monitor is misconfigured.xfs service is running or not.
Do These:
1. df -h /tmp ¨¤ /tmp is full remove the unnecessary filequota username ¨¤ if quota is alread reached remove unnecessary file from home directory.Boot the System in runlevel 3.¨¤ you can pass the
Kernel Argument from boot loader.Use command: system-config-display ¨¤ It will display a dialog to configure the monitor, Video card, resolution etc.Set the Default Runlevel 5 in /etc/inittab id:5:initdefault:
6. Reboot the System you will get the GUI login Screen.
QUESTION 11 CORRECT TEXT
There are two different networks, 192.168.0.0/24 and 192.168.1.0/24. Your System is in
192.168.0.0/24 Network. One RHEL 5 Installed System is going to use as a Router. All required configuration is already done on Linux Server. Where 192.168.0.254 and 192.168.1.254 IP Address are assigned on that Server. How will make successfully ping to 192.168.1.0/24 Network’s Host?300-209 dumps Answer and Explanation:
1. vi /etc/sysconfig/network
GATEWAY=192.168.0.254 OR vi /etc/sysconf/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
IPADDR=192.168.0.?
NETMASK=255.255.255.0
GATEWAY=192.168.0.254
2. service network restart
QUESTION 12 CORRECT TEXT
Make a swap partition having 100MB. Make Automatically Usable at System Boot Time.
Answer and Explanation:
1. Use fdisk /dev/hda ¨¤ To create new partition.
2. Type n ¨¤ For New partition
3. It will ask for Logical or Primary Partitions. Press l for logical.
4. It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
5. Type the Size: +100M ¨¤ You can Specify either Last cylinder of Size here.
6. Press P to verify the partitions lists and remember the partitions name. Default System ID is 83 that means Linux Native.
7. Type t to change the System ID of partition.
8. Type Partition Number
9. Type 82 that means Linux Swap.
10. Press w to write on partitions table.
11. Either Reboot or use partprobe command.12. mkswap /dev/hda?¨¤ To create Swap File system on partition.
13. swapon /dev/hda?¨¤ To enable the Swap space from partition.
14. free -m ¨¤ Verify Either Swap is enabled or not.
15. vi /etc/fstab /dev/hda? swap swap defaults 0 0
16. Reboot the System and verify that swap is automatically enabled or not.
QUESTION 13 CORRECT TEXT
You are a System administrator. Using Log files very easy to monitor the system. Now there are 50 servers running as Mail, Web, Proxy, DNS services etc. You want to centralize the logs from allservers into on LOG Server. How will you configure the LOG Server to accept logs from remote host ?
Answer and Explanation:
By Default system accept the logs only generated from local host. To accept the Log from otherhost configure:
1. vi /etc/sysconfig/syslog SYSLOGD_OPTIONS=”-m 0 -r” Where
-m 0 disables ‘MARK’ messages.
-r enables logging from remote machines
-x disables DNS lookups on messages recieved with -r
2. service syslog restart
QUESTION 14 CORRECT TEXT
You are giving the debug RHCT exam. The examiner told you that the password of root is redhat. When you tried to login displays the error message and redisplayed the login screen. You changed the root password, again unable to login as a root. How will you make Successfully Login as a root.
300-209 pdf Answer and Explanation:
When root unable to login into the system think:
1. Is password correct?
2. Is account expired?
3. Is terminal Blocked?
Do these Steps:Boot the System on Single user mode.Change the passwordCheck the account expire date by using chage -l root command. If account is expired, set net expire date: chage -E “NEVER” root
1. Check the file /etc/securetty ¨¤ Which file blocked to root login from certain terminal
2. If terminal is deleted or commented write new or uncomment.
3. Reboot the system and login as a root.
QUESTION 15 CORRECT TEXT
You are giving RHCT Exam and in your Exam paper there is a question written, make successfully ping to 192.168.0.254.
Answer and Explanation:
In Network problem thinks to check:
1. IP Configuration: use ifconfig command either IP is assigned to interface or not?2. Default Gateway is set or not?
3. Hostname is set or not?
4. Routing problem is there?
5. Device Driver Module is loaded or not?
6. Device is activated or not?
Check In this way:
1. use ifconfig command and identify which IP is assigned or not.
2. cat /etc/sysconfig/network ¨¤ What, What is written here. Actually here are these parameters
NETWORKING=yes or no
GATEWAY=x.x.x.x
HOSTNAME=?
NISDOMAIN=?
-Correct the file
QUESTION 16 Use vi /etc/sysconfig/network-scirpts/ifcfg-eth0 and check the proper options
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=x.x.x.x
NETMAKS=x.x.x.x
GATEWAY=x.x.x.x
4. Use service network restart or start command
QUESTION 20 CORRECT TEXT
Set the Hostname station?.example.com where ? is your Host IP Address.
300-209 vce Answer and Explanation:
1. hostname station?.example.com ¨¤ This will set the host name only for current session. To set hostname permanently.
2. vi /etc/sysconfig/network
HOSTNAME=station?.example.com
3. service network restart
QUESTION 21 CORRECT TEXT
The System you are using is for NFS (Network File Services). Some important data are shared from your system. Make automatically start the nfs and portmap services at boot time.
Answer and Explanation:
We can control the services for current session and for next boot time also. For current Session,we use service servicename start or restart or stop or status. For automatically on next reboot time:
1. chkconfig servicename on or off
eg: chkconfig nfs on
chkconfig portmap on or ntsysv
Select the nfs and portmap services.
2. Reboot the system and identify whether services are running or not.

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